Home / 42,827.28-64,224.96-14,739.48

Finding the Fourth Proportional to 42,827.28, 64,224.96 and 14,739.48

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Solution

The fourth proportional to 42,827.28, 64,224.96 and 14,739.48 is: 22,103.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,827.28 : 64,224.96 = 14,739.48 : x
  2. Step 2: Convert to fraction form
    42,827.28/64,224.96 = 14,739.48/x
  3. Step 3: Cross multiply
    42,827.28x = 64,224.96 × 14,739.48
  4. Step 4: Simplify right side
    42,827.28x = 946,642,513.42
  5. Step 5: Solve for x
    x = 946,642,513.42/42,827.28
  6. Step 6: Final answer
    x = 22,103.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.